./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:50:29,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:50:29,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:50:29,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:50:29,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:50:29,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:50:29,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:50:29,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:50:29,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:50:29,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:50:29,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:50:29,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:50:29,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:50:29,271 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:50:29,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:50:29,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:50:29,271 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:50:29,271 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:50:29,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:50:29,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:29,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:50:29,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:50:29,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:50:29,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:50:29,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:50:29,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62587b117a9681076835c6b8632932457a449dd934a075adad6a2d524a609396 [2024-12-06 00:50:29,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:50:29,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:50:29,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:50:29,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:50:29,541 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:50:29,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2024-12-06 00:50:32,194 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/data/a62f8df0b/adfaabf2245140d2976af86b8ff39473/FLAGeaba32d22 [2024-12-06 00:50:32,497 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:50:32,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c [2024-12-06 00:50:32,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/data/a62f8df0b/adfaabf2245140d2976af86b8ff39473/FLAGeaba32d22 [2024-12-06 00:50:32,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/data/a62f8df0b/adfaabf2245140d2976af86b8ff39473 [2024-12-06 00:50:32,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:50:32,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:50:32,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:32,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:50:32,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:50:32,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:32" (1/1) ... [2024-12-06 00:50:32,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6ea5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:32, skipping insertion in model container [2024-12-06 00:50:32,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:32" (1/1) ... [2024-12-06 00:50:32,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:50:32,979 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c[1673,1686] [2024-12-06 00:50:33,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:33,229 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:50:33,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok1.i","-S") [42] [2024-12-06 00:50:33,239 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M1-2.c[1673,1686] [2024-12-06 00:50:33,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:33,411 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:50:33,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33 WrapperNode [2024-12-06 00:50:33,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:33,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:33,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:50:33,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:50:33,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,595 INFO L138 Inliner]: procedures = 57, calls = 1828, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3992 [2024-12-06 00:50:33,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:33,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:50:33,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:50:33,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:50:33,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:50:33,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:50:33,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:50:33,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:50:33,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:33" (1/1) ... [2024-12-06 00:50:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:33,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:50:33,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:50:33,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3ea8ac2-11c1-45ab-b960-27ff8a524ae9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:50:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:50:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-12-06 00:50:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-12-06 00:50:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-12-06 00:50:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-12-06 00:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-12-06 00:50:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-12-06 00:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-12-06 00:50:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-12-06 00:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-12-06 00:50:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-12-06 00:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:50:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-12-06 00:50:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-12-06 00:50:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 00:50:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 00:50:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 00:50:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-12-06 00:50:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-12-06 00:50:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:50:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:50:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:50:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:50:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:50:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-12-06 00:50:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-12-06 00:50:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-12-06 00:50:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-12-06 00:50:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-12-06 00:50:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-12-06 00:50:34,188 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:50:34,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:50:50,102 INFO L? ?]: Removed 191 outVars from TransFormulas that were not future-live. [2024-12-06 00:50:50,102 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:50:50,359 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:50:50,359 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:50:50,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:50 BoogieIcfgContainer [2024-12-06 00:50:50,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:50:50,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:50:50,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:50:50,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:50:50,370 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:50" (1/1) ... [2024-12-06 00:50:50,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:50:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1097 states and 1677 transitions. [2024-12-06 00:50:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1677 transitions. [2024-12-06 00:50:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-12-06 00:50:50,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:50,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:52:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat